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manc_63343's avatar
manc_63343
Icon for Nimbostratus rankNimbostratus
May 04, 2011

How do other co's use Global Load Balancing with multiple DC?

How do companies like google, yahoo use global load balancing accross multiple data centers? When I do nslookup I see they are doing DNS round robin within each data center.     nslookup gmai...
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hooleylist's avatar
hooleylist
Icon for Cirrostratus rankCirrostratus
May 05, 2011
Well, netcraft shows google doesn't use BIG-IP, so I'm not sure how they handle intra-DC sessions. But I would imagine they either have persistence or hashing from the front end web servers to the app server which holds the session information or their app servers are able to access a shared memory store with the session data.

 

 

Aaron